“… 8 reported that 87% of COVID-19 patients discharged from hospital were still experiencing at least one symptom, and 44% of then had worsened their quality of life. Assessment of functional limitation is needed in COVID-19 survivors to estimate the long-term burden of this illness 9 , 10 . Prospective longitudinal studies measuring objective parameters such as pulmonary function testing, 6-min walk test, quality of life, and detection of depression, anxiety and post-traumatic stress disorder will provide more informative data to understanding of the overall long-term outcomes of SARS-CoV-2 infection.…”